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cement grinding aid composition patent:

US20150336848A1 - Cement grinding aid composition -

grinding aid aid composition weight percent glycol cement Prior art date 2012-06-25 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Abandoned Application number US14/410,316 Inventor Ritesh Gulabani ...

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US5429675A - Grinding aid composition and cement

A grinding aid composition suitable for grinding clinker into hydraulic cement powder, an improved grinding process and an improved cement product are disclosed. The grinding aid composition is composed of a mixture of at least one alkylene ether glycol and particulate carbon.

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CEMENT GRINDING AID COMPOSITION - Dow Global

A grinding aid composition for improving the efficiency of cement grinding. The grinding aid composition comprises: an alkanolamine compound that is a primary alkanolamine compound, a secondary alkanolamine compound, or a mixture thereof; and a glycol.

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Cement grinding aid compositions - Nalco Chemical

Cement grinding aid compositions . United States Patent 4828624 . Abstract: Cement clinkers are ground in an aqueous environment using as a grinding aid, a composition comprising: TBL _____ Ingredients Percent by Weight _____ A water-soluble glycol 40-70 Urea as a 50% aqueous solution 60-30 _____ ...

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Grinding aid composition and cement product - W. R.

1994-8-22 · A grinding aid composition for cement clinker grinding comprising a mixture of at least one alkylene glycol represented by the formula: HO(AO) n H wherein A represents a C 2 -C 3 alkylene and n is an integer from 1 to 5 and particulate carbon in a weight ratio of

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US3615785A - Cement grinding aid and pack ... - Google

Additive compositions for use as grinding aids and pack set inhibitors in the manufacture of hydraulic cement composed of a water-soluble polyol, particularly a glycol, and a water-soluble salt of an aliphatic acid having no more than three carbons, said additive compositions being used either alone or in combination with water-soluble salts of a sulfonated lignin, a water-soluble hydroxyalkyl ...

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BR9805843A - Slag composition, method ... -

"SLAG COMPOSITION, METHOD TO IMPROVE THE EFFICIENCY OF SLAG AND CEMENT MILLING". The present invention is directed to a new grinding aid for slag and slag / clinker mixtures. The grinding aid is any fluid containing silicon or mixtures thereof. The compositions improve the efficiency of grinding slag or slag / clinker mixtures by reducing energy consumption during the grinding process.

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Cement grinding aid and set retarder - Westvaco

A process for increasing the grinding efficiency of a hydraulic cement and for retarding the set of the cement which comprises intergrinding with said cement from 0.01% to 0.5% by weight of the cement of an additive comprising a polyglycerol, from 0% to 90% by weight of the total additive composition of a water-soluble glycol, from 0% to 50% by ...

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GRINDING AIDS FOR STRENGTH-ENHANCED CEMENT

2007-6-25 · A composition for a cement clinker grinding aid having high function comprises at least one grinding aid selected from a group consisting of (a) a compound having lactate unit manufactured by the lactic acid esterification of any one amine compound selected from lactic acid, C2~C5 mono-, di- or trialkanolamine, its isomer or their mixture (b) a ...

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Cement grinding aid and set retarder - Patent US-4204877

1 Abstract. Additives for use as grinding aids and set retarders in the manufacture of hydraulic cement composed of polyglycerol, preferably a polyglycerol selected from the group of di-, tri-, and tetraglycerol and mixtures thereof, the additive being used either alone or in combination with at least one of a water-soluble glycol, a water ...

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Cement grinding aid - Patent JP-5235958-B2 - PubChem

2004-6-21 · JP-5235958-B2 chemical patent summary.

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GRINDING AIDS FOR STRENGTH-ENHANCED CEMENT

2007-6-25 · A composition for a cement clinker grinding aid having high function comprises at least one grinding aid selected from a group consisting of (a) a compound having lactate unit manufactured by the lactic acid esterification of any one amine compound selected from lactic acid, C2~C5 mono-, di- or trialkanolamine, its isomer or their mixture (b) a ...

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GRINDING AID FOR CEMENT CLINKER BASED ON

As grinding aid in cement grinding according to the invention, an additive comprising polycarboxylate ether and/or lignosulfonate is used. In principle, the additive can consist of only the overall active substance, i.e., polycarboxylate ether and/or lignosulfonate, and then it is usually in the form of a

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GCP Applied Technologies receives European patent on ...

The patent addresses methods for increasing the efficiency of cement and mineral grinding by using sustainable raw materials. The patent relates to methods for improving the efficiency of grinding materials such as clinker and limestone, using glycerol derived from biofuel production, in combination with various grinding additives.

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Cement grinding aid composition - Cement Lime Gypsum

2013-5-31 · Cement grinding aid composition. (22) 31.05.2013. (43) 26.11.2015. (57) A grinding aid composition for improving the efficiency of cement grinding. The grinding aid composition comprises: an alkanolamine compound that is a primary alkanolamine compound, a secondary alkanolamine compound, or a mixture thereof; and a glycol.

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Grinding aids for high performance cements - C-ADD

2018-3-29 · Grinding aids are organic compounds that are added to the mill during cement grinding. Their main purpose is to reduce the energy required to grind the clinker into a given fineness. In addition, some products (usually referred to as performance enhancers) provide positive effect on cement hydration improving strength development [1].

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Grinding aid for cement clinker based on polycarboxylate ...

2013-10-30 · (22) 30.10.2013 (43) 08.10.2015 (57) A description is provided of the use of an additive including polycarboxylate ether and/or lignosulfonate as grinding aid in cement grinding for producing a cement, especially when fly ash and rock flour are used in the cement.

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Resistance to Grinding and Cement Paste

2021-4-19 · In Portland cement, oxides’ composition defines final product quality and performance. Variations in chemical composition of the oxides are evidenced throughout the cement manufacture process at its different stages, such as mining of raw

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Grinding Aids for Cement - SlideShare

• The surface energy of the clinker covered with grinding aid(E) is the algebraic summation of E1,E2 and E3. E= E3 + E2 + E3 11-05-2015 Indian Institute of Technology,Delhi 13 14. • If E = -ve that means the energy is released and the

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Cement grinding aid and set retarder - Patent US-4204877

1 Abstract. Additives for use as grinding aids and set retarders in the manufacture of hydraulic cement composed of polyglycerol, preferably a polyglycerol selected from the group of di-, tri-, and tetraglycerol and mixtures thereof, the additive being used either alone or in combination with at least one of a water-soluble glycol, a water ...

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Cement grinding aid - Patent JP-5235958-B2 - PubChem

2004-6-21 · JP-5235958-B2 chemical patent summary.

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Grinding aid for cement clinker based on polycarboxylate ...

2013-10-30 · (22) 30.10.2013 (43) 08.10.2015 (57) A description is provided of the use of an additive including polycarboxylate ether and/or lignosulfonate as grinding aid in cement grinding for producing a cement, especially when fly ash and rock flour are used in the cement.

Read More
Grinding aids for high performance cements - C-ADD

2018-3-29 · Grinding aids are organic compounds that are added to the mill during cement grinding. Their main purpose is to reduce the energy required to grind the clinker into a given fineness. In addition, some products (usually referred to as performance enhancers) provide positive effect on cement hydration improving strength development [1].

Read More
Resistance to Grinding and Cement Paste

2021-4-19 · In Portland cement, oxides’ composition defines final product quality and performance. Variations in chemical composition of the oxides are evidenced throughout the cement manufacture process at its different stages, such as mining of raw

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Influence of glycerin grinding aid on the compatibility ...

2020-2-10 · The glycerin (GL) is commonly used as a grinding aid component in cement production, however it can bring poor compatibility between cement ground with it (GL-C) and polycarboxylate superplasticizer (PCE), which causes difficulties to construction. This paper studied the influence and its mechanism of GL on the compatibility between cement and PCE.

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The influence of Triethanol amine and ethylene glycol on ...

2019-1-24 · cement increases mill productivity and cement fineness for the same energy consumption, and produces improvement in flow, leading to faster unloading and improved storage volume of bulk cement storage.11,12 According to the literature, triethanol amine (TEA) can be considered as the most popular grinding aid in cement industry.

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MApei Grinding Aid /C Pack set inhibitors for cement

2018-3-29 · MApei Grinding Aid /C Pack set inhibitors for cement DESCRIPTION MA.G.A./C are high performance grinding aids generally used to increase mill production and to improve the cement quality. They are highly concentrated additives formulated with

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Cement Additives - CHRYSO

2021-10-21 · CHRYSO CEMENT ADDITIVES improve cement performance, reduce energy & production costs and leverage CO 2 emissions reduction. Because each cement plant has its own challenges and requirements, CHRYSO has developed a strong expertise in the cement industry to provide customers with specific and high-level support and services on field.

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Investigation of the effects of fatty acids on the ...

2005-2-1 · For an optimum addition, the grinding aids affect on the surface area of the normal cement in the order: stearic acid>myristic acid>lauric acid>oleic acid >sunflower oil. Myristic acid and stearic acid can be used as grinding aid. (4) To use over 0.1 wt.% of the saturated fatty acid addition as grinding agent to the cement decreases the strength.

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